Finding the Fourth Proportional to 11,778,248.07, 16,254,007.61 and 6,621,651.99
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Solution
The fourth proportional to 11,778,248.07, 16,254,007.61 and 6,621,651.99 is: 9,137,893.95
Step by Step Solution
- Step 1: Write the proportion equation
11,778,248.07 : 16,254,007.61 = 6,621,651.99 : x - Step 2: Convert to fraction form
11,778,248.07/16,254,007.61 = 6,621,651.99/x - Step 3: Cross multiply
11,778,248.07x = 16,254,007.61 × 6,621,651.99 - Step 4: Simplify right side
11,778,248.07x = 107,628,381,836,231.64 - Step 5: Solve for x
x = 107,628,381,836,231.64/11,778,248.07 - Step 6: Final answer
x = 9,137,893.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.